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h2{font-family:var(--font-display);font-size:clamp(1.8rem,3vw,2.5rem);line-height:1.2;margin:8px 0}.air-count{font-size:.84rem;color:var(--muted)}.air-viewer{background:#101d2b;border-radius:16px;overflow:hidden;box-shadow:0 16px 42px #11283e20}.air-viewer-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#c4d3df;padding:13px 20px;font-size:.74rem;letter-spacing:.07em}.air-viewer-bar label{display:flex;align-items:center;gap:10px;letter-spacing:0}.air-viewer-bar select{max-width:225px;color:white;background:#1d3144;border:1px solid #53697d;border-radius:6px;padding:7px 9px;font:inherit}.air-video{display:block;aspect-ratio:16/9;width:100%;background:#071018}.air-viewer-key{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding:14px 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10px;color:var(--cool-accent);text-transform:uppercase;letter-spacing:.08em}.air-observations ul{margin:0;padding-left:18px;font-size:.94rem;line-height:1.65}.air-gallery-instruction{margin:26px 0 14px;color:var(--muted);font-size:.9rem}.air-film-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.air-film{position:relative;display:flex;flex-direction:column;padding:0 0 12px;border:2px solid transparent;border-radius:10px;overflow:hidden;background:var(--surface);color:var(--ink);text-align:left;font:inherit;box-shadow:0 0 0 1px var(--border);cursor:pointer;transition:border-color .15s,transform .15s}.air-film:hover{border-color:#6a8fab;transform:translateY(-2px)}.air-film--selected{border-color:var(--cool-accent);box-shadow:0 0 0 1px var(--cool-accent)}.air-film img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}.air-film-title{padding:12px 12px 4px;font-weight:700;font-size:.88rem;line-height:1.35}.air-film-duration{font-size:.72rem;color:var(--muted);padding:0 12px}.air-film-index{position:absolute;top:7px;right:7px;font-size:.7rem;color:white;background:#102738dd;border-radius:5px;padding:3px 5px}.air-section{margin-top:48px;scroll-margin-top:160px}.air-section>p{max-width:850px;line-height:1.75}.air-tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px}.air-tool{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:24px}.air-tool h3{font-family:var(--font-display);font-size:1.65rem;margin:8px 0}.air-tool p{line-height:1.65;font-size:.94rem}.air-tool-role{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--cool-accent)}.air-tool-links{display:flex;gap:16px;flex-wrap:wrap;font-size:.85rem;font-weight:700}.air-tool-links a{color:var(--cool-accent)}.air-tutorial-card{display:grid;grid-template-columns:1.1fr 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0;padding:20px;overflow-x:auto;font-size:.86rem;line-height:1.7;tab-size:2}.air-code code{white-space:pre}.air-step-heading{display:flex;gap:14px;align-items:center;margin-top:30px}.air-step-heading span{display:grid;place-items:center;width:35px;height:35px;border-radius:50%;background:#dae7f0;color:var(--cool-accent);font-size:.8rem;font-weight:700;flex-shrink:0}.air-step-heading h3{margin:0;font-size:1.2rem}.air-downloads{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}.air-checklist{padding-left:20px;line-height:1.8}.air-guide-table{width:100%;border-collapse:collapse;font-size:.88rem;text-align:left}.air-guide-table td,.air-guide-table th{border-bottom:1px solid var(--border);padding:13px 12px;vertical-align:top;line-height:1.6}.air-guide-table th{color:var(--cool-accent);background:var(--surface-soft)}.air-table-wrap{overflow-x:auto}.air-gallery button:focus-visible,.air-shell a:focus-visible,.air-shell select:focus-visible{outline:3px solid #ec9d57;outline-offset:4px}@media (max-width:950px){.air-film-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.air-example-caption{flex-direction:column;gap:4px}}@media (max-width:650px){.air-hero{margin-top:18px;border-radius:15px}.air-stats{gap:20px}.air-viewer-bar{padding:10px 12px;letter-spacing:0;font-size:.68rem}.air-viewer-bar label{font-size:0}.air-viewer-bar select{font-size:.7rem;max-width:173px}.air-viewer-key{padding:11px 13px;font-size:.7rem;gap:7px 12px}.air-viewer-key span:last-child{flex-basis:100%}.air-method-grid,.air-observations,.air-tool-grid,.air-tutorial-card{grid-template-columns:1fr}.air-film-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.air-observations{padding:17px 20px}.air-tool{padding:20px}.air-section{margin-top:34px}.air-film-title{font-size:.8rem;padding-left:9px;padding-right:9px}.air-film-duration{padding-left:9px;padding-right:9px;font-size:.65rem}.air-code{font-size:.77rem;padding:16px}}@media (prefers-reduced-motion:reduce){.air-film{transition:none}.air-film:hover{transform:none}}.air-sample-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0}.air-sample-grid figure,.air-sample-video{margin:0}.air-sample-grid img{display:block;width:100%;height:auto;border-radius:10px}.air-sample-grid figcaption,.air-sample-video figcaption{margin-top:9px;font-size:.84rem;line-height:1.5;color:var(--muted)}.air-sample-video{max-width:740px;margin-top:24px}.air-sample-video video{display:block;width:100%;aspect-ratio:16/9;border-radius:10px;background:#102130}@media (max-width:650px){.air-sample-grid{grid-template-columns:1fr}}